Merge pull request #10343 from itaiferber/cg-types-codable-conformance

Add Codable conformance to common CG types

stdlib/public/SDK/CoreGraphics/CoreGraphics.swift

@@ -250,6 +250,21 @@ extension CGPoint : Equatable {
   }
 }
 
+extension CGPoint : Codable {
+  public init(from decoder: Decoder) throws {
+    var container = try decoder.unkeyedContainer()
+    let x = try container.decode(CGFloat.self)
+    let y = try container.decode(CGFloat.self)
+    self.init(x: x, y: y)
+  }
+
+  public func encode(to encoder: Encoder) throws {
+    var container = encoder.unkeyedContainer()
+    try container.encode(x)
+    try container.encode(y)
+  }
+}
+
 public extension CGSize {
   static var zero: CGSize {
     @_transparent // @fragile
@@ -302,6 +317,21 @@ extension CGSize : Equatable {
   }
 }
 
+extension CGSize : Codable {
+  public init(from decoder: Decoder) throws {
+    var container = try decoder.unkeyedContainer()
+    let width = try container.decode(CGFloat.self)
+    let height = try container.decode(CGFloat.self)
+    self.init(width: width, height: height)
+  }
+
+  public func encode(to encoder: Encoder) throws {
+    var container = encoder.unkeyedContainer()
+    try container.encode(width)
+    try container.encode(height)
+  }
+}
+
 public extension CGVector {
   static var zero: CGVector {
     @_transparent // @fragile
@@ -332,6 +362,21 @@ extension CGVector : CustomDebugStringConvertible {
   }
 }
 
+extension CGVector : Codable {
+  public init(from decoder: Decoder) throws {
+    var container = try decoder.unkeyedContainer()
+    let dx = try container.decode(CGFloat.self)
+    let dy = try container.decode(CGFloat.self)
+    self.init(dx: dx, dy: dy)
+  }
+
+  public func encode(to encoder: Encoder) throws {
+    var container = encoder.unkeyedContainer()
+    try container.encode(dx)
+    try container.encode(dy)
+  }
+}
+
 public extension CGRect {
   static var zero: CGRect {
     @_transparent // @fragile
@@ -411,6 +456,21 @@ extension CGRect : Equatable {
   }
 }
 
+extension CGRect : Codable {
+  public init(from decoder: Decoder) throws {
+    var container = try decoder.unkeyedContainer()
+    let origin = try container.decode(CGPoint.self)
+    let size = try container.decode(CGSize.self)
+    self.init(origin: origin, size: size)
+  }
+
+  public func encode(to encoder: Encoder) throws {
+    var container = encoder.unkeyedContainer()
+    try container.encode(origin)
+    try container.encode(size)
+  }
+}
+
 extension CGAffineTransform {
   public static var identity: CGAffineTransform {
    @_transparent // @fragile
@@ -418,6 +478,29 @@ extension CGAffineTransform {
  }
 }
 
+extension CGAffineTransform : Codable {
+  public init(from decoder: Decoder) throws {
+    var container = try decoder.unkeyedContainer()
+    let a = try container.decode(CGFloat.self)
+    let b = try container.decode(CGFloat.self)
+    let c = try container.decode(CGFloat.self)
+    let d = try container.decode(CGFloat.self)
+    let tx = try container.decode(CGFloat.self)
+    let ty = try container.decode(CGFloat.self)
+    self.init(a: a, b: b, c: c, d: d, tx: tx, ty: ty)
+  }
+
+  public func encode(to encoder: Encoder) throws {
+    var container = encoder.unkeyedContainer()
+    try container.encode(a)
+    try container.encode(b)
+    try container.encode(c)
+    try container.encode(d)
+    try container.encode(tx)
+    try container.encode(ty)
+  }
+}
+
 //===----------------------------------------------------------------------===//
 // CGImage
 //===----------------------------------------------------------------------===//